He is ______absorbed in his own thoughts that he seems unaware of what's going on in the room
A、soA
暂无解析
InAugust1977,asatellitetogatherdataaboutthe10millionblackholeswhicharethoughttobeintheMilkyWay.
每个人都是平等的，不管他是总统还是马路清洁工。翻译
Idon’tneedanyhelpatthemoment,butI_____youroffer
Itisessentialthateverythinginadvance.（）
Decisionmakersmusthavesomewayofdeterminingofseveralalternativesisbest.（）
